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Had a heck of a time creating the file in Win 10 with Notepad. Kept insisting on using a .txt extension instead of .cfg. Went back to an old MSDOS computer to create the file, then copied via floppy disk to my Win XT computer and then connected the DM42 to a USB port so I could copy it to the FAT d...

You could've created the file with a TXT extension and then renamed it. Tried doing that, but Win 10 wouldn't let me. The file became rtccalib.cfg.txt ! Win 10 sucks !!!!! That's odd. When I try to rename foo .txt to foo .cfg, File Explorer warns me that "If you change a file name extension, the fi...

Had a heck of a time creating the file in Win 10 with Notepad. Kept insisting on using a .txt extension instead of .cfg. Went back to an old MSDOS computer to create the file, then copied via floppy disk to my Win XT computer and then connected the DM42 to a USB port so I could copy it to the FAT d...

So, I just ran this program, but when I view the FAT drive in my PC file manager, I don't see any rtccalib.cfg file in the root directory. Am I expected to create this file, or am I missing something ? The Release notes found here: https://forum.swissmicros.com/viewtopic.php?f=16&t=2211 imply that ...

So, I just ran this program, but when I view the FAT drive in my PC file manager, I don't see any rtccalib.cfg file in the root directory. Am I expected to create this file, or am I missing something ?

Thanks for the correction / clarification.

Yeah I see Activate USB Disk.... so I think I have a newer model. Are you saying I DONT need any sort of driver on the PC/Mac then? It should just show up like a thumb drive? That is what is not happening unfortunately at the moment... I am trying cables and etc. Yes, it should just show up like an...

What is the DM42 version on your calculator ? Do you see Setup —> File —> Activate USB Disk ? If so, you don’t need DMtool to flash the firmware. Early versions of DM42 prior to v3.5 do not have a USB disk mode, but once updated to a newer version, you simply copy the flash binary to your USB drive ...

Also, the USB port on the DM42 is not aligned properly with the hole in the case, preventing proper insertion of the cable connector. I had to loosen the case screws a bit to get the case hole to line up with the port.

It says..."New DMCP+DM42 combo fw only" What does fw only mean?...There is a new combo file with DMCP 3.15 and DM42 3.14, should we use that new combo file now?...I currently have the recent 3.14 combo file installed... I think "fw" means firmware. There are no software changes. This change is supp...